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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (360): Round Shape 10 mm Gems Clear All
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ID: 4632041 pcs
thumb image of 5.7ct Round Cabochon Cream Peach Star Moonstone (ID: 463204)
5.66 ct Star Moonstone
10.2 mm
$ 22.64
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ID: 4267972 pcs
thumb image of 8.6ct Round Rose-Cut Black Spinel (ID: 426797)
8.56 ct Spinel
10.1 mm
$ 29.96
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ID: 4173912 pcs
thumb image of 7.7ct Round Buff-Top Lemon Quartz (ID: 417391)
7.74 ct Quartz
10.2 mm
$ 15.48
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ID: 3903242 pcs
thumb image of 7.3ct Round Cabochon Gold Brown Tiger's Eye (ID: 390324)
7.27 ct Tiger's Eye
10.1 mm
$ 14.54
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ID: 4173972 pcs
thumb image of 7.7ct Round Buff-Top Lemon Quartz (ID: 417397)
7.71 ct Quartz
10.1 mm
$ 15.42
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ID: 3843152 pcs
thumb image of 8.7ct Round Rose-Cut Black Spinel (ID: 384315)
8.70 ct Spinel
10.1 mm
$ 26.10
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ID: 3839334 pcs
thumb image of 15.3ct Round Rose-Cut Black Spinel (ID: 383933)
15.34 ct Spinel
10.1 mm
$ 46.02
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ID: 3839722 pcs
thumb image of 8.5ct Round Rose-Cut Black Spinel (ID: 383972)
8.52 ct Spinel
10.1 mm
$ 25.56
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ID: 4173902 pcs
thumb image of 8.3ct Round Buff-Top Lemon Quartz (ID: 417390)
8.33 ct Quartz
10.2 mm
$ 16.66
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ID: 4686121 pcs
thumb image of 6.9ct Round Cabochon Purplish Red Star Ruby (ID: 468612)
6.93 ct Star Ruby
10 mm
$ 76.23
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ID: 4230856 pcs
thumb image of 44.3ct Drilled Sphere Brown Smoky Quartz (ID: 423085)
44.29 ct Smoky Quartz
10.3 mm
$ 64.22
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ID: 4230955 pcs
thumb image of 35.5ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 423095)
35.51 ct Rutile Quartz
10.1 mm
$ 35.51
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ID: 4490281 pcs
thumb image of 3.6ct Round Cabochon Golden Red Rutile Quartz (ID: 449028)
3.62 ct Rutile Quartz
10 mm
$ 9.05
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ID: 4431831 pcs
thumb image of 6.1ct Round Cabochon Golden Green Cat's Eye Apatite (ID: 443183)
6.08 ct Cat's Eye Apatite
9.8 mm
$ 91.14
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ID: 4230826 pcs
thumb image of 45.4ct Drilled Sphere Brown Smoky Quartz (ID: 423082)
45.37 ct Smoky Quartz
10.2 mm
$ 65.79
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ID: 3839224 pcs
thumb image of 17.9ct Round Rose-Cut Black Spinel (ID: 383922)
17.89 ct Spinel
10.1 mm
$ 53.67
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ID: 4230786 pcs
thumb image of 43.9ct Drilled Sphere Brown Smoky Quartz (ID: 423078)
43.90 ct Smoky Quartz
10.1 mm
$ 63.65
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ID: 4182631 pcs
thumb image of 4.5ct Round Cabochon Cream Star Moonstone (ID: 418263)
4.49 ct Star Moonstone
10.3 mm
$ 17.96
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ID: 4264662 pcs
thumb image of 9.1ct Round Rose-Cut Black Spinel (ID: 426466)
9.10 ct Spinel
10.1 mm
$ 31.85
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ID: 4244601 pcs
thumb image of 6ct Round Cabochon Golden Green Cat's Eye Apatite (ID: 424460)
6.02 ct Cat's Eye Apatite
9.9 mm
$ 60.20
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ID: 3217274 pcs
thumb image of 27.7ct Half-Drilled Sphere Smoky Brown Smoky Quartz (ID: 321727)
27.69 ct Smoky Quartz
10.1 mm
$ 24.72
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Round Shape 10 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 10 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart